Home / 152,913.73-211,020.95-85,845.73

Finding the Fourth Proportional to 152,913.73, 211,020.95 and 85,845.73

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Solution

The fourth proportional to 152,913.73, 211,020.95 and 85,845.73 is: 118,467.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,913.73 : 211,020.95 = 85,845.73 : x
  2. Step 2: Convert to fraction form
    152,913.73/211,020.95 = 85,845.73/x
  3. Step 3: Cross multiply
    152,913.73x = 211,020.95 × 85,845.73
  4. Step 4: Simplify right side
    152,913.73x = 18,115,247,498.04
  5. Step 5: Solve for x
    x = 18,115,247,498.04/152,913.73
  6. Step 6: Final answer
    x = 118,467.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.